function browserCheck() {

	   var userAgent = navigator.userAgent; 

	   var Opera = userAgent.indexOf("Opera") > -1; 

	   var IE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !Opera; 

	   var FF = userAgent.indexOf("Firefox") > -1; 

	   var BIDUBrowser = userAgent.indexOf("BIDUBrowser") > -1;

	   var Edge = userAgent.indexOf("Edge") > -1;

	   var UBrowser = userAgent.indexOf("UBrowser") > -1;

	   var SE = userAgent.indexOf("SE") > -1;

	   var LBBROWSER = userAgent.indexOf("LBBROWSER") > -1;

	   var b2345 = userAgent.indexOf("2345") > -1;

	   var QQBrowser = userAgent.indexOf("QQBrowser") > -1;

	   var Chrome = userAgent.indexOf("Mozilla") > -1 && userAgent.indexOf("AppleWebKit") > -1 && userAgent.indexOf("KHTML")&& userAgent.indexOf("Gecko")&& userAgent.indexOf("Chrome") && userAgent.indexOf("Safari");

	   if (!Opera && !IE && !FF && !BIDUBrowser && !Edge && !UBrowser && !SE && !LBBROWSER && !b2345 && !QQBrowser && Chrome ) {
	   		return 'isChrome';
	   }else{
	   		return 'notChrome';
	   }

	}